US20100006592A1 - Method and apparatus for dosed dispensing of gasified liquid after pressure equalisation - Google Patents

Method and apparatus for dosed dispensing of gasified liquid after pressure equalisation Download PDF

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Publication number
US20100006592A1
US20100006592A1 US12/311,691 US31169107A US2010006592A1 US 20100006592 A1 US20100006592 A1 US 20100006592A1 US 31169107 A US31169107 A US 31169107A US 2010006592 A1 US2010006592 A1 US 2010006592A1
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Prior art keywords
container
liquid
dispensing apparatus
dosing chamber
valve
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Abandoned
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US12/311,691
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English (en)
Inventor
Wilhelmus Johannes Joseph Maas
Petrus Lambertus Wilhelmus Hurkmans
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Dispensing Technologies BV
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Dispensing Technologies BV
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Assigned to DISPENSING TECHNOLOGIES B.V. reassignment DISPENSING TECHNOLOGIES B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HURKMANS, PETRUS LAMBERTUS WILHELMUS, MAAS, WILHELMUS JOHANNES JOSEPH
Publication of US20100006592A1 publication Critical patent/US20100006592A1/en
Assigned to NIBC BANK N.V. reassignment NIBC BANK N.V. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DISPENSING TECHNOLOGIES B.V.
Assigned to DISPENSING TECHNOLOGIES B.V. reassignment DISPENSING TECHNOLOGIES B.V. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: NIBC BANK N.V.
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/0041—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes with provisions for metering the liquid to be dispensed
    • B67D3/0045—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes with provisions for metering the liquid to be dispensed by filling a predetermined volume before dispensing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/04—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/04—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer
    • B67D3/047—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer with a closing element having a rotational movement
    • B67D3/048—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer with a closing element having a rotational movement and venting means operated automatically with the tap

Definitions

  • the invention relates to a method for dosed dispensing from a container of a liquid including a substance dissolved therein and to an apparatus for performing said method. More in particular the invention relates to a method as defined in the preamble of claim 1 and to a dispensing apparatus as defined in the preamble of claim 6 .
  • a dispensing method and apparatus are known in the art, e.g. from U.S. Pat. No. 4,715,516.
  • Carbonated beverages include carbon dioxide which is dissolved in water or an aqueous solution. This process yields the “fizz” to carbonated water and sparkling mineral water, the head to beer, and the cork pop and bubbles to champagne and sparkling wine.
  • “Fizz” is a word that is used to describe the action or sound of gas bubbles moving through and escaping from a liquid. Fizz also describes the formation of a foam of this gas and liquid at the top of the liquid's container. The official term to describe the escape of gas from an aqueous solution is effervescence.
  • a carbonated beverage such as cola or beer
  • a carbonated beverage will form bubbles when the dissolved carbon dioxide is depressurized to form emulsions at the top. This occurs when the container is opened and the beverage is poured into a glass.
  • Effervescence may cause problems when dispensing a carbonated liquid.
  • effervescence may lead to excessive foaming, which renders dispensing of an exactly determined dose, for instance a well filled glass, more difficult.
  • U.S. Pat. No. 4,715,516 discloses an apparatus for dispensing carbonated beverages from a container which has a body portion adapted to replace a screw top cap of the container.
  • the body portion includes a tube which will project into the ullage volume of the container and will vent to the atmosphere via a normally closed vent valve.
  • a normally closed fluid valve is disposed in the body portion between a fluid chamber and a spout. In use the container having the body portion attached thereto is essentially inverted and supported in a stand.
  • a dispensing lever attached to the body is depressed and sequentially opens first the vent valve, permitting carbon dioxide gas collected in the ullage volume to be vented so as to prevent forceful ejection of the fluid, and then the fluid valve, permitting the beverage to flow from the container by gravity.
  • the invention now has for its object to provide a method for dosed dispensing, in which these problems are obviated, at least to a certain extent. In accordance with the invention this is achieved by means of a method as defined in claim 1 .
  • a two step dispensing method is obtained. In this way the pressure reduction is less sudden, thereby reducing the tendency for the liquid to foam.
  • no loss of carbon dioxide gas occurs, since the dosing chamber and the container form a closed system.
  • the invention also aims to provide an apparatus with which the method as described above may be practised. In accordance with the invention this is accomplished by a dispensing apparatus as defined in claim 6 .
  • the invention relates to an assembly of a dispensing apparatus and a container as defined in claims 25 to 28 .
  • FIGS. 1 and 2 are a side view and a front view, respectively, of an assembly of a dispensing apparatus in accordance with a first embodiment of the invention, attached to a container and arranged in a packaging, in a transport and/or storage position,
  • FIGS. 3 and 4 are perspective views of the dispensing apparatus, container and packaging of FIGS. 1 and 2 , showing how this is brought from its transport and/or storage position into its position of use,
  • FIG. 5 is a perspective view of this embodiment of the dispensing apparatus, showing the assembly in its lying position of use,
  • FIG. 6 is a longitudinal section through the dispensing apparatus and part of the container of FIG. 1 to 5 , in which the packaging has been omitted for reasons of clarity, prior to dispensing of a dose of liquid from the container,
  • FIG. 7 is a view corresponding with FIG. 6 of the dispensing apparatus during equalization of pressure between the container and the dosing chamber
  • FIG. 8 is a view corresponding to FIGS. 6 and 7 of the dispensing apparatus during transfer of liquid from the container to the dosing chamber,
  • FIG. 9 is a partially cut-away side view of the first embodiment of the dispensing apparatus and part of the container, again without the packaging, when viewed from the other side, prior to dispensing of the dose of liquid from the dosing chamber,
  • FIG. 10 is a view corresponding with FIG. 9 of the dispensing apparatus during equalization of the pressure between the dosing chamber and the surrounding area
  • FIG. 11 is a view corresponding with FIGS. 9 and 10 of the dispensing apparatus during dispensing of the dose of liquid from the dosing chamber,
  • FIG. 12 is a side view of a second embodiment of the dispensing apparatus in accordance with the invention, attached to a container and arranged in a packaging, showing the assembly in a transport and/or storage position,
  • FIG. 13 is a perspective detail view of the dispensing apparatus of FIG. 12 .
  • FIG. 14 is a perspective view of this embodiment of the dispensing apparatus in its lying position of use
  • FIG. 15 is a side detail view showing the operating member and outflow conduit of the dispensing apparatus protruding from the packaging
  • FIG. 16 is a perspective rear view of the dispensing apparatus
  • FIG. 17 is a perspective horizontal sectional view of the dispensing apparatus of FIG. 16 .
  • FIG. 18 is a rear perspective view of the front cover of the dosing chamber
  • FIGS. 19A and 19B are front and rear perspective views, respectively, of an annular closure element used in this embodiment of the dispensing apparatus.
  • FIGS. 20A and 20B are a perspective view and a side view, respectively, of a tubular closure element used in this embodiment of the dispensing apparatus,
  • FIG. 21 is a perspective front view of the dispensing apparatus in the packaging, showing how the operating member is moved from its transport and storage position to its position of first use,
  • FIG. 22 is a perspective detail view in vertical section of the dispensing apparatus and part of the container during equalization of pressure between the container and the dosing chamber,
  • FIG. 23 is a perspective detail view in horizontal section of the dispensing apparatus during transfer of liquid from the container to the dosing chamber
  • FIG. 24 is a front view of the apparatus in the packaging, showing the movement of the operating member during the steps shown in FIGS. 22 and 23 ,
  • FIG. 25 is a detailed side view in vertical section of the dispensing apparatus prior to dispensing of the dose of liquid from the dosing chamber,
  • FIG. 26 is view corresponding to FIG. 24 , showing the movement of the operating member to the position prior to dispensing,
  • FIG. 27 is a perspective detail view in vertical section of the dispensing apparatus during equalization of pressure between the dosing chamber and the surrounding area, viewed from the other side,
  • FIG. 28 is a perspective detail view in vertical section of the dispensing apparatus during dispensing of the dose of liquid from the dosing chamber
  • FIG. 29 is a view corresponding to FIGS. 24 and 26 , showing the movement of the operating member during the steps shown in FIGS. 27 and 28 ,
  • FIG. 30 is a view corresponding to FIG. 28 , showing the dispensing apparatus during venting at the end of the dispensing cycle
  • FIG. 31 is a perspective detail view of the connection between the dosing chamber and the container in this embodiment of the dispensing apparatus,
  • FIG. 32 is a detailed side view in vertical section of a third embodiment of the dispensing apparatus in accordance with the invention, in which the packaging has been omitted for reasons of clarity,
  • FIG. 33 is a perspective detail view in vertical section of the dispensing apparatus of FIG. 32 during equalization of pressure between the container and the dosing chamber,
  • FIG. 34 is a further detailed view along the arrow XXXIV in FIG. 33 ,
  • FIG. 35 is a perspective detail view in horizontal section of the dispensing apparatus during transfer of liquid from the container to the dosing chamber
  • FIG. 36 is a detailed side view in vertical section of this embodiment of the dispensing apparatus during equalization of pressure between the dosing chamber and the surrounding area, and
  • FIG. 37 is a perspective detail view in vertical section of the dispensing apparatus during dispensing of the dose of liquid from the dosing chamber and subsequent venting at the end of the dispensing cycle.
  • an apparatus 1 for dosed dispensing from a container 2 of a liquid L including a substance dissolved therein, for instance a carbonated drink comprises a dosing chamber 3 connected to the container 2 .
  • the dispensing apparatus 1 is provided with means for equalizing the pressure in the container 2 with the ambient pressure in the space in which the liquid L is dispensed prior to dispensing of the liquid L.
  • this pressure equalization takes place in two steps, namely first between the container 2 and the dosing chamber 3 and subsequently between the dosing chamber 3 and the surrounding area S in which the liquid L is dispensed in doses.
  • the pressure equalization means firstly comprise a primary gas line 4 connecting the container 2 and the dosing chamber 3 , which is closeable by a first valve 5 .
  • the container 2 and the dosing chamber 3 are further connected by a liquid line 6 , which is closeable by means of a second valve 7 .
  • the first valve 5 is arranged to be opened before the second valve 7 is opened.
  • the first and second valves 5 , 7 may be mutually connected or even integrally formed.
  • the container 2 has the shape of a bottle which is provided with a neck 8 in which an outflow opening 9 is defined.
  • the dispensing apparatus 1 includes a connecting piece 10 which is snapped, clamped, or screwed onto the neck 8 of the container 2 .
  • This connecting piece 10 defines a conduit 11 leading to the dosing chamber 3 .
  • a tubular closure element 12 is axially slidable in the conduit 11 .
  • the closure element 12 is operated by a rotary operating member or turning knob 13 , which is connected to a tubular stub 14 that is rotatably and slidably arranged in the free end of the closure element 12 .
  • a groove 15 is formed in the closure element 12 , in which a cam 16 arranged on the circumference of the tubular stub 14 is slidable.
  • the tubular closure element 12 has a relatively thick bottom part 17 having an axial blind bore 18 in which the end of the primary gas line 4 , here in the shape of a thin plastic tube, is arranged. From this bore 18 a radial opening 19 is formed, which ends in the side wall of the closure element 12 between two annular gaskets 20 , 21 . These gaskets 20 , 21 seal against a collar 22 in the neck of the container 2 , in which the tubular element 12 itself is arranged with some play, and so act as first and second valves 5 , 7 .
  • the closure element 12 further includes two annular gaskets 23 , 24 which seal against a wider part of the neck 8 of the container 2 and a wall part of the connecting piece 10 of the dispensing apparatus 1 , respectively. Finally, inflow openings 25 and outflow openings 26 are formed in the sidewall of the tubular closure element 12 .
  • the pressure equalization means further comprise a secondary gas line 27 connecting the dosing chamber 3 with the surrounding area S, and which is closeable by a third valve 28 .
  • the dosing chamber 3 is connected with the surrounding area S by means of an outflow conduit 29 , which is closeable by a fourth valve 30 .
  • the third valve 28 is again arranged to be opened before the fourth valve 30 is opened.
  • the third and fourth valves 28 , 30 may also be mutually connected or integrally formed.
  • the outflow conduit 29 is formed in the part of the dosing chamber 3 that is the lowermost point in the lying position of use of the container 2 and dispensing apparatus 1 .
  • a hollow, rod-like closure element 31 is slidably arranged in the outflow conduit 29 on one hand and a neck 32 on the other. This neck 32 is closed off by a cap 33 having a venting opening 44 therein.
  • This rod-like closure element 31 is also operated by the turning knob 13 , which acts as a common operating member.
  • a part of the tubular stub 14 is formed as a pinion 34
  • the closure element 31 is partly formed as a gear rack 35 .
  • the rod-like closure element At its side which is directed downwards during use the rod-like closure element has a thickening 36 , which fits with some play in the outflow conduit 29 .
  • This thickening 36 is provided with an annular gasket 37 that seals against the wall of the outflow conduit 29 and in that manner functions as the fourth valve 30 .
  • the rod-like closure element 31 On the opposite side the rod-like closure element 31 is provided with two disc-shaped parts 38 , 39 having different diameters, which are arranged with some play in the neck 32 , of which the inner wall is twice stepped.
  • Each disc 38 , 39 is again provided with an annular gasket 40 , 41 , which seals against the corresponding part of the inner wall of the neck 32 .
  • the annular gasket 40 on the lower disc 38 forms the third valve 28
  • the gasket 41 on the upper disc 39 forms a fifth valve which closes off a vent line running from the venting opening 44 to the interior of the dosing chamber 3 .
  • a radial bore 42 is formed in the closure element 31 between the two discs 38 , 39 . This radial bore 42 leads to an axial bore 43 , which in turn leads to the outflow opening 29 .
  • the bores 42 and 43 form part of the secondary gas line 27 .
  • the container 2 and the dispensing apparatus 1 are arranged in a rectangular cardboard packaging 45 , from which the turning knob 13 protrudes at the top.
  • a sidewall 46 of the packaging 45 an opening 47 is formed which is closed by a flap 48 that may be torn loose.
  • the packaging 45 has for its effect that the container 2 and the dispensing apparatus 1 , which have complex shapes and are moreover movable with respect to one another, may be stored and transported in a simple and reliable manner, without the dispensing apparatus 1 inadvertently being operated, which would lead to leakage of liquid from the container 2 .
  • the operation of the apparatus 1 during dosed dispensing from the container 2 of the liquid including the substance dissolved therein, for instance a carbonated soft drink or beer, is as follows.
  • the dispensing apparatus 1 is rotated over a quarter turn with respect to the container 2 , so that it is brought from its transport and/or storage position, in which it lies on the side of the neck 8 closest to the container centerline ( FIG. 1 , 2 ) into its position of use, in which it lies on the side of the neck 8 facing away from the centerline ( FIG. 4 ).
  • Use is made herein of a once-only threaded or bayonet mechanism between the dispensing apparatus 1 and the container 2 . In this position of use the dispensing apparatus 1 protrudes past a flat side 49 of the container 2 ( FIG. 6 ). Then the packaging 45 is laid down flat on a shelf 50 in a refrigerator ( FIG. 5 ), after which the dispensing apparatus is ready for use ( FIG. 6 ).
  • the tubular closure element 12 In this position, in which the turning knob 13 occupies a neutral position pointing upwards, the tubular closure element 12 is in its extreme position in the neck 8 of the container 2 . In that position the closure element 12 with its annular gaskets 20 , 21 —the first and second valves 5 , 7 —sealingly closes off both the primary gas line 4 and the liquid line 4 , so that the dosing chamber 3 is completely isolated from the container 2 . Moreover, in this neutral position of the turning knob 13 the rod-like closure member 31 is in its lowermost position, so that the annular gaskets 38 , 37 —the third and fourth valves 28 , 30 —close off the secondary gas line 27 and the outflow conduit 29 ( FIG. 9 ). Also in this position of the closure member 31 the venting opening 44 is closed off from the dosing chamber 3 by means of the annular gasket 41 on the top disc 39 —the fifth valve—so that the chamber is completely isolated from the surrounding area S.
  • the tubular closure element 12 When the knob 13 is turned further in the same direction, the tubular closure element 12 is pulled even further from the neck 8 , so that also the gasket 21 passes the end of the collar 22 , and the liquid L may flow into the conduit 11 around the bottom 17 of the closure element 12 ( FIG. 8 ). From the widened part of the conduit the liquid L flows through the inflow openings 25 into the closure element 12 , and then flows through the outflow openings 26 to the dosing chamber 3 . In this way the liquid connection between the container 2 and the dosing chamber 3 is established.
  • the liquid L will smoothly flow from the container 2 to the dosing chamber 3 , and the substance dissolved therein will not be suddenly released. Therefore no excessive foaming will occur in the dosing chamber 3 .
  • the gas G that flowed from the container 2 into the dosing chamber 3 during pressure equalization will be forced out of the dosing chamber by the arrival of the liquid L. This gas G will flow back into the container 2 , thus minimizing the loss of gas during dispensing.
  • the moment of opening of the first and second valves 5 , 7 during the turning movement of the turning knob 13 is determined by the shape of the groove 15 . In the illustrated embodiment this has a kink, so that the ratio between the turning movement of the knob 13 and the sliding movement of the closure element 12 is varied.
  • the knob 13 is moved clockwise until it points upwards again, indicating that it has reached its neutral position ( FIG. 9 ). In this way the tubular closure member 12 is again pressed into the neck 8 of the container 2 , so that the first and second valves 5 and 7 are closed again and the dosing chamber 3 is isolated from the container 2 again. It should be noted that filling of the dosing chamber 3 is visible from the outside, since this chamber 3 is at least partly made from a transparent or translucent material.
  • the dose of liquid L may be dispensed from the dosing chamber 3 , for instance into a glass (not shown here) that is held under the outflow opening 29 .
  • the knob 13 is turned in clockwise direction—in the views of FIG. 9 to 11 into the plane of the drawing—whereby the pinion 34 on the tubular stub 14 meshes with the gear rack 35 on the rod-like closure member 31 , which is moved upwards as a result.
  • ambient air from the surrounding area S may flow in to replace the liquid L flowing out, so that an even efflux without “gurgling” is achieved. This is particularly important for carbonated liquids.
  • the user may furthermore control the outflow rate.
  • the knob 13 is turned back counter-clockwise to its neutral position, in which it points upwards ( FIG. 6 ). After that the dispensing apparatus 1 is again ready for dispensing a next dose of liquid L.
  • the dispensing apparatus 101 is fixed to the neck 108 of the container 102 , rather than being pivotable from a transport and storage position to a position of use.
  • the fixation in axial direction is achieved by snap couplings 162
  • the fixation in radial direction is accomplished by a one way snap type bayonet 163 ( FIG. 31 ).
  • the dispensing apparatus includes two dosing chambers 103 arranged on opposite sides of the container neck 108 and connected by a connecting piece 110 .
  • the container 102 and the dispensing apparatus 101 are again arranged in a rectangular cardboard packaging 145 having an opening 147 in an end wall 146 .
  • the packaging 145 includes a stepped part 151 , which ensures that the dispensing apparatus 101 is lower than the container 102 when the container 102 has been moved from its transport and/or storage position ( FIG. 12 , 13 ) to its position of use ( FIG. 14 , 15 ) in which the dispensing apparatus 101 is accessible through the opening 147 .
  • the first and second valves 105 , 107 are again formed by annular gaskets 120 , 121 that are arranged on the circumference of a tubular closure element 112 and that seal against a collar 122 in the container neck 108 .
  • the primary gas line 104 is a thin tube that ends in a bore 118 in the bottom 117 of the closure element 112 . From this bore 118 a radial opening 119 runs to the side wall of the closure element 12 between the two annular gaskets 120 , 121 .
  • the tubular closure element 112 of this embodiment is not just slidable, but also rotatable. It includes two helical grooves 115 arranged on opposite sides, which cooperate with cams 116 that are formed on the inner wall of the connecting piece 110 .
  • the movement of the tubular closure element 112 is provided by a rotary operating member or turning knob 113 , which is connected to the tubular closure element 112 by a tubular stub 114 , onto which the turning knob 113 is fixed by a snap connection.
  • This tubular stub 114 is integrally formed with an annular closure element 131 .
  • This annular closure element 131 carries the third and fourth valves 128 , 130 .
  • Slits 152 in the tubular stub 114 mate with ribs 153 on the tubular closure element 112 to transmit rotary movement from the turning knob 113 while allowing the closure element 112 to slide axially with respect to the tubular stub 114 .
  • the annular closure element 131 is accommodated in a cup-shaped protrusion 157 on a front cover 158 of the dispensing apparatus 101 .
  • the closure element 131 has three recesses 154 , 155 and 156 arranged in its outer surface.
  • the first recess 154 forms part of the secondary gas line 127 when it is aligned with the outflow conduit 129 that is arranged at the bottom of the cover 158 .
  • the second recess 155 allows liquid to pass from the dosing chambers 103 to the outflow conduit 129 when it is aligned with the outflow conduit 129 .
  • the third recess 156 forms part of the vent line when it is aligned with the venting opening 144 that is arranged in the top of the cover 158 .
  • the third and fourth valves 128 , 130 are formed by sealing surfaces 140 and 137 between the various recesses 154 , 155 and 156 . These sealing surfaces 137 , 140 cooperate with sealing layers 159 on the inner wall of the protrusion 157 around the mouth of the outflow conduit 129 and around the venting opening 144 , respectively.
  • the sealing layers 159 are made from a somewhat softer and more resilient material than the cover 158 .
  • this embodiment of the dispensing apparatus 101 is as follows. After the dispensing apparatus 101 has been moved to its position of use ( FIG. 14 , 15 ) the turning knob 113 is rotated towards its upright neutral position ( FIG. 21 ). In this neutral position all valves are closed. During this movement an anti tamper part 160 of the turning knob 113 is broken off by a protrusion 161 on the front cover 158 .
  • the knob 113 is turned clockwise over a small angle, which results is a slight axial movement of the tubular closure element 112 , so that the gasket 120 passes the collar 122 and the primary gas line 104 forms a connection between the container 102 and the dosing chambers 103 .
  • This position may be indicated by a small protrusion (not shown) on the front cover 158 contacting the turning knob 113 so as to provide a slight increase in resistance.
  • the knob 113 is moved counter-clockwise to its neutral position ( FIG. 25 , 26 ) and then further to a position in which the first recess 154 in the annular closure element 131 becomes aligned with the outflow conduit 129 ( FIG. 27 ).
  • This establishes a gas connection between the dosing chambers 103 and the surrounding area, allowing the pressure to be equalized.
  • the recess 154 is so small that virtually no liquid will escape during pressure equalization. However, even if it would, it would flow through the outflow conduit 129 into a glass held by a user of the apparatus, so that there will be no leakage.
  • the knob 113 is then turned further counter-clockwise to align the larger second recess 155 with the outflow conduit 129 ( FIG. 28 ), thus establishing a liquid connection and allowing the liquid L to be dispensed from the dosing chambers 103 .
  • the third recess 156 in the annular closure member 131 will be aligned with the venting opening 144 and the dosing chambers 103 may be vented to prevent a vacuum from being formed when the liquid L is dispensed ( FIG. 29 , 30 ).
  • the knob 113 may be turned back in clockwise direction to its neutral position, thus closing all the valves.
  • the tubular closure element 212 does not have any separate gaskets at all. Sealing is achieved by the periphery of the tubular element 212 itself, which has a radially protruding ridge 221 that engages the collar 222 and forms the second valve 207 . This is made possible by selecting a somewhat more resilient material for the tubular closure element 212 than in the previous embodiments.
  • the tubular stub 214 extends over the entire length of the tubular closure element 212 .
  • This stub 214 is made from a stiffer material.
  • the bottom 217 closing off the container neck 208 forms part of the tubular stub 214 , rather than of the tubular closure element 212 . Consequently, the bores 218 , 219 , which form part of the primary gas line 204 are also formed in the tubular stub 214 .
  • the first valve 205 which selectively closes off the primary gas line 204 is formed by an annular flange 220 on the inside of the tubular closure element 212 . This flange 220 includes a slight recess that may be aligned with the bore 219 upon initial turning movement of the closure element 212 ( FIG. 33 , 34 ).
  • this third embodiment of the dispensing apparatus 201 corresponds substantially with the second embodiment of the apparatus 101 , which was described in detail above.
  • the invention provides a method and an apparatus with which liquids that include a dissolved substance, like carbonated beverages, may be dispensed in a controlled and exactly dosed manner, without the dissolved substance suddenly being released and leading to excessive foaming.
  • the pressure equalizing means might be embodied differently than described and illustrated here, for example in the form of closeable openings, conduits that are integrated in the container and/or the dosing chamber, or in other ways. It is further conceivable that the valves for the gas line(s) and the liquid line(s) could be operated differently, for instance by means of separate operating members. Moreover, when a dosing chamber is used, it is not always necessary to apply pressure equalization in both steps. Furthermore, it is not always necessary to apply pressure equalization before dispensing of each dose.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Packages (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US12/311,691 2006-10-10 2007-10-10 Method and apparatus for dosed dispensing of gasified liquid after pressure equalisation Abandoned US20100006592A1 (en)

Applications Claiming Priority (3)

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NL1032658 2006-10-10
NL1032658A NL1032658C2 (nl) 2006-10-10 2006-10-10 Werkwijze en inrichting voor het gedoseerd uit een houder afgeven van een vloeistof met een daarin opgeloste stof.
PCT/NL2007/000256 WO2008044920A1 (en) 2006-10-10 2007-10-10 Method and apparatus for dosed dispensing of gasified liquid after pressure equalisation

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US20100006592A1 true US20100006592A1 (en) 2010-01-14

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US (1) US20100006592A1 (xx)
EP (1) EP2084100A1 (xx)
JP (1) JP2010505714A (xx)
KR (1) KR20090083368A (xx)
CN (1) CN101553424A (xx)
AU (1) AU2007307367A1 (xx)
BR (1) BRPI0715564A2 (xx)
CA (1) CA2666456A1 (xx)
EA (1) EA200900525A1 (xx)
IL (1) IL198177A0 (xx)
MX (1) MX2009003819A (xx)
NL (1) NL1032658C2 (xx)
NO (1) NO20091835L (xx)
WO (1) WO2008044920A1 (xx)
ZA (1) ZA200902875B (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US8561970B1 (en) 2013-01-23 2013-10-22 Brookstone Purchasing, Inc. Aeration system
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US20100213219A1 (en) * 2007-08-06 2010-08-26 Diageo Great Britain Limited Apparatus for dispensing a metered quantity of carbonated beverage
US8636179B2 (en) * 2007-08-06 2014-01-28 Diageo Great Britain Limited Apparatus for dispensing a metered quantity of carbonated beverage
US8746506B2 (en) 2011-05-26 2014-06-10 Pepsico, Inc. Multi-tower modular dispensing system
US8985396B2 (en) 2011-05-26 2015-03-24 Pepsico. Inc. Modular dispensing system
US9193575B2 (en) 2011-05-26 2015-11-24 Pepsico, Inc. Multi-tower modular dispensing system
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US8561970B1 (en) 2013-01-23 2013-10-22 Brookstone Purchasing, Inc. Aeration system
CN115096506A (zh) * 2022-04-18 2022-09-23 中航西安飞机工业集团股份有限公司 一种测试嵌入式压力传感器的加压装置及加压方法

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KR20090083368A (ko) 2009-08-03
NO20091835L (no) 2009-05-11
EP2084100A1 (en) 2009-08-05
IL198177A0 (en) 2009-12-24
CA2666456A1 (en) 2008-04-17
NL1032658C2 (nl) 2008-04-14
EA200900525A1 (ru) 2009-08-28
CN101553424A (zh) 2009-10-07
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AU2007307367A1 (en) 2008-04-17
WO2008044920A1 (en) 2008-04-17

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